/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.geode.internal.offheap;

import java.util.List;

/**
 * Provides for inspection of meta-data for off-heap memory blocks.
 * 
 * @since Geode 1.0
 */
public interface MemoryInspector {

  public void clearSnapshot();
  
  public void createSnapshot();

  public List<MemoryBlock> getSnapshot();

  public MemoryBlock getFirstBlock();
  
  public List<MemoryBlock> getAllBlocks();
  
  public List<MemoryBlock> getAllocatedBlocks();
  
  public MemoryBlock getBlockAfter(MemoryBlock block);

}
